Pipe multi-head sawing machine

Abstract

The invention discloses a pipe multi-head sawing machine. The pipe multi-head sawing machine comprises a rack and a plurality of sawing heads arranged on the rack. A feed spindle is rotationally mounted on the rack and driven by a rotary feed power device. Material poking gear sets are mounted on the feed spindle and each provided with circumferentially-formed material poking gears. Feed clearances are arranged on each material poking gear set, and the depth of the feed clearances is larger than the pipe diameter of a pipe. The sawing heads are arranged on the rack and located on the rotating downstream sides of the material poking gear sets. Saw blades of the sawing heads are located at the upper sawing stations of the material poking gear sets and correspond to the positions of the feed clearances, and the length of the parts, stretching into the feed clearances, of the saw blades is larger than the pipe diameter of the pipe. Automatic feeding devices used for transversely feeding the pipe into material poking gear grooves of the material poking gear sets are arranged on the rotating upstream sides of the material poking gear sets. According to the multi-head sawing machine, taking, feeding, sawing and discharging are completed within one rotating period through the rotary material poking gear sets, and the sawing efficiency is greatly improved.

Description

technical field [0001] The invention relates to a multi-head sawing machine for sawing pipes, in particular to a multi-heads sawing machine for sawing pipes during the feeding process of the pipes. Background technique [0002] The sawing principle of the current multi-head sawing machine is the same as that of the single-head saw, which is to combine multiple sawing heads on one device, and use the clamping device to correspond to the sawing heads one by one. After the clamping device clamps the pipe, Then use the saw blade of the saw head to saw the pipe, but this multi-head sawing machine has the following disadvantages: 1. The sawing efficiency is low, and it needs feeding, feeding, and clamping action of the clamping device, and then the saw blade Feeding, retracting, loosening of the clamping device, and discharge of the material, it takes a long time to saw a pipe and the efficiency is very low; 2. The cost of this sawing machine is high, because every Each step requ...

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Problems solved by technology

[0002] The sawing principle of the current multi-head sawing machine is the same as that of the single-head saw, which is to combine multiple sawing heads on one device, and use the clamping device to correspond to the sawing heads one by one. After the clamping device clamps the pipe, Then use the saw blade of the saw head to saw the pipe, but this multi-head sawing machine has the following disadvantages: 1. The sawing efficiency is low, and it needs feeding, feeding, and clamping action of the clamping device, and then the saw blade Feeding, retracting, loosening of the clamping device, and discharge of the material, it takes a long time to saw a pipe and the efficiency is very low; 2. The cost of this sawing machine is high, because every Each step requires a corresponding device or mechanism to realize the action. Therefore, the equipment investment cost is high and the volume is large; 3. Since this multi-head sawing machine first needs to be clamped by the clamping mechanism when sawing, the shortest distance for sawing the pipe Affected by the clamping mechanism, it cannot be made shorter. The clamping mechanism limits the shortest limit length of the pipe cut by the multi-head saw

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